From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 33E0FC43613 for ; Sat, 22 Jun 2019 14:31:37 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A167C20675 for ; Sat, 22 Jun 2019 14:31:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Upg7baEO" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A167C20675 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 45WJ055xGhzDqq7 for ; Sun, 23 Jun 2019 00:31:33 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=gmail.com (client-ip=2607:f8b0:4864:20::644; helo=mail-pl1-x644.google.com; envelope-from=npiggin@gmail.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="Upg7baEO"; dkim-atps=neutral Received: from mail-pl1-x644.google.com (mail-pl1-x644.google.com [IPv6:2607:f8b0:4864:20::644]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 45WGL95kyczDqZy for ; Sat, 22 Jun 2019 23:17:05 +1000 (AEST) Received: by mail-pl1-x644.google.com with SMTP id bh12so4344604plb.4 for ; Sat, 22 Jun 2019 06:17:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=QilO/3K3IMNDgTxDpvjFtsPMpr+rQY/bfdmIvHgxv/0=; b=Upg7baEOghKQplWytQb+P1YG0+N+M00END6wJp/15eGbI/ToA4mq/O52vzBd4Fz7FO G8F2ZaVQTgEcO7DS3PnPsjVMBLBQm2FrZ9NqtxXjimQ3NxXfBbmOhqUcgnDdZ5Ma1hLT 82gpLSk9noD4E/MWoPQD5lMtbXp7j+7m/P0e+YMDZahRlLv6+pZ28pP+UvgChpm7eSiX 67QC9uIftAXDGtSODvIHd+zFDenR/Rwic4DXXylq9/Y+iiHhkX+UEw8LwcasUP9Zmj4Q WmmILDPE97ySiNwvjZuUP2knRCf3cfhc4G9/DugIEIoFXDIq2xqAESMkpnCpi6kPtlXx ha7Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=QilO/3K3IMNDgTxDpvjFtsPMpr+rQY/bfdmIvHgxv/0=; b=DPT1au1YEtp6sDkXvGMqqaCy5v0u0v4sB0VT9aRmv7BX/UhSY2zSVVdTIAetD7UpFY 9+kGA8x3tx0NG/Ea7TnPMTwaLmqP1+cqn0HH7Om5adJhgfff4G8KkoBUtp6tRa6Z+FTp 1tWvl1z+6ouvlhI0TDEaGZkeYDhy5jjPyQVy3WyXlnFIkU3T9FVYXb8PwN9qglasd7av 2SGF4kA5+wN0Fh6Uja+XMVEbFoj94QMWIIXorm3QCpH+ZBcMCkSG1amnb95tv7aZF/Dn 3PhnJMjPz3knxUPBe4BmvBDPPk7Kis4Pcn/T12duoe4+qEvTxAznLJ9U1Wz/v+voZgjU OWSA== X-Gm-Message-State: APjAAAUusmb1DbTvnAcilZkmY7/D98jrASam5N+3Oby0y/2R2QcCn3aI eKcWYxn3oVoMnadfJ2g4XBhUpxANP04= X-Google-Smtp-Source: APXvYqwUbyFlboCoinR+gyrwpRwfXEIiTK4SdoOVHpL2q5s95+vUmYAmijoJ63QoB+k/4WHEJL1WFw== X-Received: by 2002:a17:902:e01:: with SMTP id 1mr6800303plw.268.1561209423613; Sat, 22 Jun 2019 06:17:03 -0700 (PDT) Received: from bobo.ozlabs.ibm.com ([1.144.136.2]) by smtp.gmail.com with ESMTPSA id n1sm5192471pgv.15.2019.06.22.06.17.01 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sat, 22 Jun 2019 06:17:03 -0700 (PDT) From: Nicholas Piggin To: linuxppc-dev@lists.ozlabs.org Subject: [PATCH v3 23/25] powerpc/64s/exception: generate regs clear instructions using .rept Date: Sat, 22 Jun 2019 23:15:33 +1000 Message-Id: <20190622131535.20996-24-npiggin@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190622131535.20996-1-npiggin@gmail.com> References: <20190622131535.20996-1-npiggin@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Nicholas Piggin Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" No generated code change. Signed-off-by: Nicholas Piggin --- arch/powerpc/kernel/exceptions-64s.S | 29 +++++++++++++++------------- 1 file changed, 16 insertions(+), 13 deletions(-) diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S index 391ffa0f53be..144cc9b063ef 100644 --- a/arch/powerpc/kernel/exceptions-64s.S +++ b/arch/powerpc/kernel/exceptions-64s.S @@ -2010,12 +2010,11 @@ BEGIN_FTR_SECTION mtmsrd r10 sync -#define FMR2(n) fmr (n), (n) ; fmr n+1, n+1 -#define FMR4(n) FMR2(n) ; FMR2(n+2) -#define FMR8(n) FMR4(n) ; FMR4(n+4) -#define FMR16(n) FMR8(n) ; FMR8(n+8) -#define FMR32(n) FMR16(n) ; FMR16(n+16) - FMR32(0) + .Lreg=0 + .rept 32 + fmr .Lreg,.Lreg + .Lreg=.Lreg+1 + .endr FTR_SECTION_ELSE /* @@ -2027,12 +2026,11 @@ FTR_SECTION_ELSE mtmsrd r10 sync -#define XVCPSGNDP2(n) XVCPSGNDP(n,n,n) ; XVCPSGNDP(n+1,n+1,n+1) -#define XVCPSGNDP4(n) XVCPSGNDP2(n) ; XVCPSGNDP2(n+2) -#define XVCPSGNDP8(n) XVCPSGNDP4(n) ; XVCPSGNDP4(n+4) -#define XVCPSGNDP16(n) XVCPSGNDP8(n) ; XVCPSGNDP8(n+8) -#define XVCPSGNDP32(n) XVCPSGNDP16(n) ; XVCPSGNDP16(n+16) - XVCPSGNDP32(0) + .Lreg=0 + .rept 32 + XVCPSGNDP(.Lreg,.Lreg,.Lreg) + .Lreg=.Lreg+1 + .endr ALT_FTR_SECTION_END_IFCLR(CPU_FTR_ARCH_206) @@ -2043,7 +2041,12 @@ END_FTR_SECTION_IFCLR(CPU_FTR_ARCH_207S) * To denormalise we need to move a copy of the register to itself. * For POWER8 we need to do that for all 64 VSX registers */ - XVCPSGNDP32(32) + .Lreg=32 + .rept 32 + XVCPSGNDP(.Lreg,.Lreg,.Lreg) + .Lreg=.Lreg+1 + .endr + denorm_done: mfspr r11,SPRN_HSRR0 subi r11,r11,4 -- 2.20.1